python操作oracle数据库
发布时间:2020-12-17 17:07:58 所属栏目:Python 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 # -*- mode: python; coding: utf-8 -*-## python operate oracle,contain insert、delete、update、select.## @author liyulin # @date 2014-11-07 i
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 # -*- mode: python; coding: utf-8 -*- # # python operate oracle,contain insert、delete、update、select. # # @author liyulin # @date 2014-11-07 import cx_Oracle class PythonOralceUtil: def __enter__(self): self.conn = cx_Oracle.connect('testuser/[email?protected]/CHROMEBOOK') self.cursor = self.conn.cursor() return self def __exit__(self,type,value,traceback): self.cursor.close() self.conn.close() ############################################ # 查询reg_codes中的所有数据 ############################################ def queryAll(self): self.cursor.execute('select * from reg_codes') results = self.cursor.fetchall() for result in results: print result ############################################ # 根据序号查询reg_codes中的一条数据 ############################################ def queryBySeq(self,seq): self.cursor.execute('select * from reg_codes where seq=:1',seq) result = self.cursor.fetchone() if (result is not None): for index in range(0,6): print result[index],############################################ # 向reg_codes中插入N条数据 ############################################ def insertManay(self,insertValue): self.conn.begin() try: self.cursor.executemany('insert into reg_codes(device,unique_code,group_code,input_file,sn,input_ts) values(:1,:2,:3,:4,:5,sysdate)',insertValue) except AssertionError: self.conn.rollback() raise Warning,"invalid insertValue (%s)" % insertValue self.conn.commit() ############################################ # 更新reg_codes中一条数据 ############################################ def updateOne(self,sqe,input_file): updateValue = [input_file,sqe] self.cursor.execute('update reg_codes set input_file=:1 where seq=:2',updateValue) ############################################ # 更新reg_codes中N条数据 ############################################ def updateManay(self,updateValues): self.conn.begin() try: self.cursor.executemany('update reg_codes set input_file=:1 where seq=:2',updateValues) except AssertionError: self.conn.rollback() raise Warning,"invalid insertValue (%s)" % updateValues self.conn.commit() ############################################ # 删除reg_codes中一条数据 ############################################ def delete(self,sqe): self.cursor.execute('delete from reg_codes where seq=:1',sqe) ############################################ # 删除reg_codes中N条数据 ############################################ def deleteManay(self,seqs): self.conn.begin() try: self.cursor.executemany('delete from reg_codes where seq=:1',seqs) except AssertionError: self.conn.rollback() raise Warning,"invalid seqs (%s)" % seqs self.conn.commit() ############################################ # 执行代码 ############################################ with PythonOralceUtil() as pythonOralceUtil: # insertValue = [['jerry','unique_code2333','group_code2333','debug233','2222222222122'],# ['jerry','unique_code244','group_code244','debug244','22222222233'],'unique_code255','group_code255','debug255','33333333344'],'unique_code266','group_code266','debug266','44444444455'],'unique_code277','group_code277','debug277','55555555566']] # pythonOralceUtil.insertManay(insertValue) # pythonOralceUtil.updateOne('27','debug_updated') # pythonOralceUtil.delete([27]) # pythonOralceUtil.deleteManay([[31],[44],[45]]) updateValues = [['debug_updated','46'],['debug_updated','47'],'48'],'34']] pythonOralceUtil.updateManay(updateValues) pythonOralceUtil.queryAll() pythonOralceUtil.queryBySeq([27]) 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |